Stadium: Ochsenhausen, Germany
| Challenger Series TT | 2023/04/17 12:30 | Damian Zech v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/06 06:30 | Damian Zech v Makoto Nogami | W | 1-3 |
| Challenger Series TT | 2023/01/30 15:30 | Makoto Nogami v Damian Zech | W | 3-2 |
| Challenger Series TT | 2023/01/12 07:30 | Damian Zech v Makoto Nogami | W | 1-3 |
| Challenger Series TT | 2022/08/25 09:50 | Makoto Nogami v Damian Zech | W | 3-0 |
| Challenger Series TT | 2023/05/04 06:30 | Makoto Nogami v Kirill Fadeev | L | 1-3 |
| Challenger Series TT | 2023/04/18 08:30 | Dillon Chambers v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/18 07:10 | Simon Berglund v Makoto Nogami | L | 3-1 |
| Challenger Series TT | 2023/04/17 17:10 | Sven Happek v Makoto Nogami | W | 1-3 |
| Challenger Series TT | 2023/04/17 15:10 | Siddharta Almeida v Makoto Nogami | W | 2-3 |
| Challenger Series TT | 2023/04/17 12:30 | Damian Zech v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/17 11:10 | Dauud Cheaib v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/04/17 06:30 | Michael Engelhardt v Makoto Nogami | L | 3-2 |
| Challenger Series TT | 2023/05/04 07:10 | Damian Zech v Bohdan Sinkevych | W | 3-2 |
| Challenger Series TT | 2023/04/21 07:10 | Miguel Nunez v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/04/20 15:10 | Humberto Manhani v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/04/20 13:50 | Rafael Turrini v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/04/20 11:50 | Sven Happek v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/04/20 10:30 | Martin Andersen v Damian Zech | L | 3-0 |
| Challenger Series TT | 2023/04/20 06:30 | Tobias Slanina v Damian Zech | L | 3-1 |
| Challenger Series TT | 2023/04/18 10:30 | Damian Zech v Siddharta Almeida | L | 1-3 |